Unstoppable Invoices and Estimates for SureCart is a powerful extension that adds complete invoicing capabilities to your SureCart-powered store. Create professional invoices and estimates, send them to customers, accept payments online, and generate beautiful PDF documents.

Key Features

Create Invoices & Estimates – Easy-to-use editor for creating professional invoices and estimates
SureCart Integration – Seamlessly integrates with SureCart products and customers
PDF Generation – Generate professional PDF invoices for download and email
Email Notifications – Send invoices and estimates directly to customers via email
Online Payments – Accept payments through SureCart’s checkout system
Status Tracking – Track invoice status from draft to paid
Customer Management – Search and select from existing SureCart customers
Tax Support – Configure tax rates and calculations
Custom Numbering – Customizable invoice and estimate number formats
Responsive Design – Beautiful, mobile-friendly invoice views

Invoice Statuses

Draft
Pending
Processing
Paid
Overdue
Cancelled
Refunded

Estimate Statuses

Draft
Sent
Accepted
Declined
Expired

Perfect For

Service-based businesses
Freelancers and consultants
B2B transactions
Custom orders and quotes
Manual billing requirements

Requirements

WordPress 5.8 or higher
SureCart 2.0 or higher
PHP 7.4 or higher

External Services

This plugin connects to the following external service:

SureCart API
* Purpose: Product search, customer management, and payment processing
* This plugin uses SureCart’s built-in API – see SureCart’s privacy policy for details
* SureCart Privacy Policy
* SureCart Terms of Service

This plugin does not connect to any other external services for licensing or updates – all updates are delivered through WordPress.org.